Surf Forecasts:
Isla Grande surf forecast from 16 Sep 2026:
- Best quality surf: Thursday 17 Sep, 7PM (local time) - 5.5ft (1.7m), 8s period, NE swell with cross-offshore winds.
- Most powerful swell: Thursday 17 Sep, 10PM (local time) - 5.5ft (1.7m), 9s period, NE swell with 440 kJ wave energy.
- Next surfable swell (1★+): Thursday 17 Sep, 7PM (local time) - 5.5ft (1.7m), 8s period with NE swell.
Best Forecast Surf Conditions for Isla Grande this week:
The surf forecast for Isla Grande over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 17) at 7PM. The primary swell is predicted to be 1.7m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Isla Grande in the next 16 days are 1.7m 9s and forecast to arrive on Thursday (Sep 17) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 4s period and expected on Saturday (Sep 19) at 10AM.
| Wave Type | Time (EST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7PM (Thu 17th Sep) | 5.5ft (1.7m) 8s |
| Best Surf | 7PM (Thu 17th Sep) | 5.5ft (1.7m) 8s |
| Most Powerful | 10PM (Thu 17th Sep) | 5.5ft (1.7m) 9s |
Table - best surf conditions forecast for Isla Grande over the next 16 days.
Short Range ForecastHeavy rain (total 35mm), heaviest during Thu night. Warm (max 28°C on Wed morning, min 27°C on Wed afternoon). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 33mm), heaviest during Sat afternoon. Warm (max 29°C on Mon morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 371 | 413 | 389 | 373 | 333 | 408 | 251 | 183 | 270 | 244 | 256 | 256 | 196 | 191 | 145 | 94 | 77 | 65 | 56 | 50 | 56 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross | cross-on | cross | off | cross-off | off | off | cross-off | off | cross-off | on | glassy | cross | cross-on | glassy | cross | cross-on | cross | cross-on |
High Tide | 4:37PM0.37m | 7:15AM0.17m | 5:19PM0.36m | 8:05AM0.16m | 5:59PM0.36m | 8:45AM0.16m | 6:36PM0.35m | 9:26AM0.16m | 7:12PM0.35m | 10:05AM0.17m | 7:45PM0.35m | 10:39AM0.18m | 8:21PM0.34m | ||||||||
Low Tide | 10:08AM0.15m | 00:24AM0.02m | 10:40AM0.14m | 1:02AM0.03m | 11:09AM0.14m | 1:38AM0.04m | 11:38AM0.13m | 2:12AM0.06m | 12:09PM0.14m | 2:44AM0.08m | 12:44PM0.15m | 3:14AM0.10m | 1:27PM0.17m | 3:44AM0.13m | |||||||
 | |  | | | | | | | | | | |  | | | | |  | |  | |
 | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 6:17 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:14 | — |
mm | 3 | 4 | 10 | 1 | 2 | 8 | 3 | 1 | 3 | 3 | 13 | 5 | 2 | — | 4 | — | 3 | 3 | — | — | — |
Temp °C | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 29 | 28 | 27 | 28 | 27 | 26 |
Feels °C | 31 | 32 | 30 | 30 | 32 | 33 | 32 | 31 | 31 | 30 | 31 | 31 | 31 | 32 | 30 | 33 | 33 | 31 | 32 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 |
| kJ | 371 | 413 | 389 | 373 | 333 | 408 | 251 | 183 | 270 | 244 | 256 | 256 | 196 | 191 | 145 | 94 | 77 | 65 | 56 | 50 | 56 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 4 | W 4 | W 4 | W 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 3 | 1 | 3 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 2 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 71 | 0 | 72 | 249 | 249 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 44 | 0 | 1 | 1 | 1 | 1 | 4 | 4 | 28 |
Best forecast wave conditions in Colón Province | |||||||||||||||||||||
Best forecast wave conditions in Panama | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Isla Grande surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Isla Grande Surf forecast
The above surf forecast table for Isla Grande provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Isla Grande can be found by selecting the local surf guide option on the grey menu. Our Isla Grande surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Isla Grande) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Isla Grande may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Isla Grande is 44 km (27 miles) from the city of Cativa. If you plan a holiday in Colón Province, look for hotels and other accommodation in Cativa. Cativa has rooms for a wide range of budgets as well as car hire and transport links.
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